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Who Am I ?

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See cool illusions. Notice (and begin thinking about) the mysteries of perception and cognition ... Illusions. Are cool. Highlight questions about how ... – PowerPoint PPT presentation

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Title: Who Am I ?


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Who Am I ?
  • Dr. Matthew Tata
  • You are formally invited to call me Matt

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Objectives of the Course
  1. Gain insight and knowledge into the functioning
    of the mind.
  2. Learn to think critically and creatively about
    perplexing questions.
  3. Discover weird and interesting things about
    perception and cognition.

4
Rules of the Course
  1. Cell phones are OK, but I get to answer them
  2. If you need to take a nap, take it
  3. Think hard

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The Plan
  • Sensory Physiology
  • Hearing
  • Vision
  • Attention
  • Memory

Perception
Cognition
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Text
Buy this one
  • Selected readings available at the bookstore
  • Sensation and Perception, Coran, Porac Ward on
    reserve in library
  • Cognitive Psychology, Robinson-Riegler on reserve
    in library

Dont buy these
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Lecture Slides
Lecture Slides are available at http//classes.u
leth.ca/200501/psyc2320a/ or go to www.uleth.ca
-gt Current Students -gt Class Web Sites -gt
psyc2320a
8
Evaluation
  • Mid-Term 1 15 Feb. 2nd and 3rd
  • Mid-Term 2 30 Mar. 8th and 9th
  • Final 45 April 21st and 22nd
  • Ideas Journal 10

Midterms and final are WebCT taken in the WebCT
Test Centre
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Ideas Journal
  • Record your thoughts and questions about
    perception and cognition
  • Try to think of experiments to test your ideas
  • You will be graded on how good your ideas are!

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A Good Idea
  • the size of your eye has be just right to match
    the focusing power of the cornea. How does the
    eye know when to stop growing? Is it because the
    brain tells it to stop when images are clearly
    focused? We could test this by looking at the
    size of the eyeballs in children who are born
    with cataracts since their brains dont get
    accurate visual information from their eyes

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A Bad Idea
  • Matt was wearing a blue sweater today. I like
    blue. Blue is my favorite color. I wish I had a
    blue sweater.

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Put Ideas in a Book
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Grades
Rounding will always be to the lowest integer!
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Interaction
  • Office hours are immediately after each class
    or by appointment
  • Email matthew.tata_at_uleth.ca
  • Rules
  • 1. No emailing the night before a test
  • 2. Yes-or-no questions only!
  • use email to make an appointment with me - face
    to face meetings are far better than text!

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Your Teaching Assistant
  • Jamshid Faraji
  • available by appointment
  • jamshid.faraji_at_uleth.ca

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If You Were in my Psych 1000 Lecture
  • There will be no Gorillas in this courseif you
    know what I mean.

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Enjoy
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Perception Its not as Easy as it Looks
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Purpose of this Lecture
  • See cool illusions
  • Notice (and begin thinking about) the mysteries
    of perception and cognition

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What is an Illusion?
  • What is an illusion?
  • What is the difference between a visual illusion
    and an optical illusion?

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What is an Illusion?
  • When what you perceive is not what is really out
    there
  • Visual Illusions happen in your visual system
  • Optical illusions occur when the physical
    stimulus itself is distorted

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What is an Illusion?
Optical Illusion
Visual Illusion
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Size Constancy
  • Big and small near and far !?
  • System adjusts size based on perceived distance

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Ponzo Illusion
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Muller - Lyer Illusion
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Kaniza Triangle
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Illusory Contours
  • Kaniza Triangle
  • Neurons in higher levels of visual pathways
    build contours from information in lower levels

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Apparent Motion
  • Object disappears and reappears somewhere else
  • Visual system interpolates motion in between

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Frazer Spiral
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Frazer Spiral
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Reversible Figure
The Necker Cube
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Attention and Perception
  • Your perception of a rich visual environment is
    an illusion!
  • You actually are only aware of the small part of
    the scene that you are attending to

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Attention and Perception
  • Change Blindness you cant notice changes in a
    scene unless you attend to the location of the
    change

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Attention and Perception
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Illusions
  • Are cool.
  • Highlight questions about how perception happens.
  • Make you think.

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Next Time
  • A bit of philosophy and a bit of biology
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